src/widgets/dialogs/qnspanelproxy_mac.mm

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  41
  42 #include <qdialogbuttonbox.h>
  43 #if defined(Q_WS_MAC)
  44 #include <private/qt_mac_p.h>
  45 #include <private/qcocoaintrospection_p.h>
  46 #import <AppKit/AppKit.h>
  47 #import <Foundation/Foundation.h>
  48 #import <objc/objc-class.h>
  49
  50 QT_BEGIN_NAMESPACE
  51 static QWidget *currentWindow = 0;
  52 QT_END_NAMESPACE
  53
  54 QT_USE_NAMESPACE
  55
  56 @class QT_MANGLE_NAMESPACE(QNSPanelProxy);
  57
  58 @interface QT_MANGLE_NAMESPACE(QNSPanelProxy) : NSWindow {
  59 }
  60 - (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle
  61     backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation;
  62 - (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle
  63     backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation screen:(NSScreen *)screen;
  64 - (id)qt_fakeInitWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle
  65     backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation;
  66 - (id)qt_fakeInitWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle
  67     backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation screen:(NSScreen *)screen;
  68 @end
  69
  70 @implementation QT_MANGLE_NAMESPACE(QNSPanelProxy)
  71 - (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle
  72       backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation
  73 {
  74     // remove evil flag
  75     windowStyle &= ~NSUtilityWindowMask;
  76         self = [self qt_fakeInitWithContentRect:contentRect styleMask:windowStyle
  77                                         backing:bufferingType defer:deferCreation];
  78     return self;
  79 }
  80
  81 - (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle
  82       backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation screen:(NSScreen *)screen
  83 {
  84     // remove evil flag
  85     windowStyle &= ~NSUtilityWindowMask;
  86         return [self qt_fakeInitWithContentRect:contentRect styleMask:windowStyle
  87                                         backing:bufferingType defer:deferCreation screen:screen];
  88 }
  89
  90 - (id)qt_fakeInitWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle
  91     backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation
  92 {
  93     Q_UNUSED(contentRect);
  94     Q_UNUSED(windowStyle);
  95     Q_UNUSED(bufferingType);
  96     Q_UNUSED(deferCreation);
  97     return nil;
  98 }
  99
 100 - (id)qt_fakeInitWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)windowStyle
 101     backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation screen:(NSScreen *)screen
 102 {
 103     Q_UNUSED(contentRect);
 104     Q_UNUSED(windowStyle);
 105     Q_UNUSED(bufferingType);
 106     Q_UNUSED(deferCreation);
 107     Q_UNUSED(screen);
 108     return nil;
 109 }
 110 @end
 111
 112 @class QT_MANGLE_NAMESPACE(QNSWindowProxy);
 113
 114 @interface QT_MANGLE_NAMESPACE(QNSWindowProxy) : NSWindow {
 115 }
 116 - (void)setTitle:(NSString *)title;
 117 - (void)qt_fakeSetTitle:(NSString *)title;
 118 @end
 119
 120 @implementation QT_MANGLE_NAMESPACE(QNSWindowProxy)
 121 - (void)setTitle:(NSString *)title
 122 {
 123     QCFString cftitle(currentWindow->windowTitle());
 124
 125     // evil reverse engineering
 126     if ([title isEqualToString:@"Print"]
 127             || [title isEqualToString:@"Page Setup"]
 128             || [[self className] isEqualToString:@"PMPrintingWindow"])
 129         title = (NSString *)(static_cast<CFStringRef>(cftitle));
 130     return [self qt_fakeSetTitle:title];
 131 }
 132
 133 - (void)qt_fakeSetTitle:(NSString *)title
 134 {
 135     Q_UNUSED(title);
 136 }
 137 @end
 138
 139 QT_BEGIN_NAMESPACE
 140
 141 /*
 142     Intercept the NSColorPanel constructor if the shared
 143     color panel doesn't exist yet. What's going on here is
 144     quite wacky, because we want to override the NSPanel
 145     constructor and at the same time call the old NSPanel
 146     constructor. So what we do is we effectively rename the
 147     old NSPanel constructor qt_fakeInitWithContentRect:...
 148     and have the new one call the old one.
 149 */
 150 void macStartInterceptNSPanelCtor()
 151 {
 152     qt_cocoa_change_implementation(
 153             [NSPanel class],
 154             @selector(initWithContentRect:styleMask:backing:defer:),
 155             [QT_MANGLE_NAMESPACE(QNSPanelProxy) class],
 156             @selector(initWithContentRect:styleMask:backing:defer:),
 157             @selector(qt_fakeInitWithContentRect:styleMask:backing:defer:));
 158     qt_cocoa_change_implementation(
 159             [NSPanel class],
 160             @selector(initWithContentRect:styleMask:backing:defer:screen:),
 161             [QT_MANGLE_NAMESPACE(QNSPanelProxy) class],
 162             @selector(initWithContentRect:styleMask:backing:defer:screen:),
 163             @selector(qt_fakeInitWithContentRect:styleMask:backing:defer:screen:));
 164 }
 165
 166 /*
 167     Restore things as they were.
 168 */
 169 void macStopInterceptNSPanelCtor()
 170 {
 171     qt_cocoa_change_back_implementation(
 172             [NSPanel class],
 173             @selector(initWithContentRect:styleMask:backing:defer:screen:),
 174             @selector(qt_fakeInitWithContentRect:styleMask:backing:defer:screen:));
 175     qt_cocoa_change_back_implementation(
 176             [NSPanel class],
 177             @selector(initWithContentRect:styleMask:backing:defer:),
 178             @selector(qt_fakeInitWithContentRect:styleMask:backing:defer:));
 179 }
 180
 181 /*
 182     Intercept the NSPrintPanel and NSPageLayout setTitle: calls. The
 183     hack is similar as for NSColorPanel above.
 184 */
 185 void macStartInterceptWindowTitle(QWidget *window)
 186 {
 187     currentWindow = window;
 188     qt_cocoa_change_implementation(
 189             [NSWindow class],
 190             @selector(setTitle:),
 191             [QT_MANGLE_NAMESPACE(QNSWindowProxy) class],
 192             @selector(setTitle:),
 193             @selector(qt_fakeSetTitle:));
 194 }
 195
 196 /*
 197     Restore things as they were.
 198 */
 199 void macStopInterceptWindowTitle()
 200 {
 201     currentWindow = 0;
 202     qt_cocoa_change_back_implementation(
 203             [NSWindow class],
 204             @selector(setTitle:),
 205             @selector(qt_fakeSetTitle:));
 206 }
 207
 208 /*
 209     Doesn't really belong in here.
 210 */
 211 NSButton *macCreateButton(const char *text, NSView *superview)
 212 {
 213     static const NSRect buttonFrameRect = { { 0.0, 0.0 }, { 0.0, 0.0 } };
 214
 215     NSButton *button = [[NSButton alloc] initWithFrame:buttonFrameRect];
 216     [button setButtonType:NSMomentaryLightButton];
 217     [button setBezelStyle:NSRoundedBezelStyle];
 218     [button setTitle:(NSString*)(CFStringRef)QCFString(QDialogButtonBox::tr(text)
 219                                                        .remove(QLatin1Char('&')))];
 220     [[button cell] setFont:[NSFont systemFontOfSize:
 221             [NSFont systemFontSizeForControlSize:NSRegularControlSize]]];
 222     [superview addSubview:button];
 223     return button;
 224 }
 225
 226 QT_END_NAMESPACE
 227
 228 #endif